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CPC Main Group
B41J 3/00

Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed

15 direct subcodes

Child Classifications

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  • B41J 3/01 for special character, e.g. for Chinese characters or barcodes
  • B41J 3/24 for perforating or stencil cutting using special types or dies
  • B41J 3/26 for stenographic writing
  • B41J 3/30 for printing with large type, e.g. on bulletins, tickets
  • B41J 3/32 for printing in Braille or with keyboards specially adapted for use by blind or disabled persons
  • B41J 3/34 for printing musical scores
  • B41J 3/42 Two or more complete typewriters coupled for simultaneous operation
  • B41J 3/60 for printing on both faces of the printing material
  • B41J 3/62 for printing on two or more separate sheets or strips of printing material (B41J3/54 takes precedence)

Top Applicants

Top 10 applicants by patent filingsfor class B41, 2013–2023, worldwide · Source: EPO PATSTAT

  1. SEIKO EPSON CORPORATION 8,446
  2. SEIKO EPSON CORPORATION JP 8,438
  3. HEWLETT-PACKARD DEVELOPMENT COMPANY US 7,828
  4. CANON JP 5,419
  5. CANON 4,156
  6. BROTHER INDUSTRIES JP 3,763
  7. BROTHER INDUSTRIES 2,779
  8. RICOH COMPANY JP 2,717
  9. FUJIFILM JP 2,423
  10. RICOH COMPANY 1,739